20661670

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{43961}}^1$

素因数の和:44015

約数の個数: 16

約数和(自身を含む): 37983168

約数和(自身を除く): 17321498

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 43961, 87922, 219805, 439610, 2066167, 4132334, 10330835, 20661670]

約数ペア:

[(1, 20661670), (2, 10330835), (5, 4132334), (10, 2066167), (47, 439610), (94, 219805), (235, 87922), (470, 43961)]